Apa itu PdP Abad ke-21? Grafik-info ini memberi gambaran kelas Abad ke-21: http://www.novadesk.com/blog/bid/72193/21st-Century-Classroom-Infographic 21st Century Classroom Infographic While researching for a presentation, I ran across this infographic on the 21st Century Classroom. The only thing missing is a way to integrate techn Source